Guest of the League
MLB Transactions
2023-09-27
| TEX | Josh Sborz | The Texas Rangers activated RHP Josh Sborz from the 15-day injured list. |
| TEX | Jake Latz | The Texas Rangers optioned LHP Jake Latz to the minors. |
| COL | Ryan Feltner | The Colorado Rockies placed RHP Ryan Feltner on the 15-day injured list with right elbow inflammation. |
| COL | Daniel Bard | The Colorado Rockies placed RHP Daniel Bard on the 15-day injured list with a right flexor strain. |
| COL | Karl Kauffmann | The Colorado Rockies recalled RHP Karl Kauffmann from the minors. |
| COL | Tommy Doyle | The Colorado Rockies recalled RHP Tommy Doyle from the minors. |
| LAA | Jose Marte | The Los Angeles Angels optioned RHP José Marte to the minors. |
| LAA | Aaron Loup | The Los Angeles Angels transferred LHP Aaron Loup to the 60-day injured list. |
| CHC | Jeimer Candelario | The Chicago Cubs activated INF Jeimer Candelario from the 10-day injured list. |
| CHC | Jared Young | The Chicago Cubs optioned INF Jared Young to the minors. |
| MIL | Ethan Small | The Milwaukee Brewers recalled LHP Ethan Small from the minors. |
| BAL | Ryan Mountcastle | The Baltimore Orioles activated INF Ryan Mountcastle from the 10-day injured list. |
| MIL | J.B. Bukauskas | The Milwaukee Brewers placed RHP J.B. Bukauskas on the 15-day injured list with a right ring finger tendon injury retroactive to Sep. 25. |
| BAL | Ryan McKenna | The Baltimore Orioles optioned OF Ryan McKenna to the minors. |
| CLE | Brayan Rocchio | The Cleveland Guardians recalled INF Brayan Rocchio from the minors. |
| CLE | Gabriel Arias | The Cleveland Guardians placed OF Gabriel Arias on the 10-day injured list with a right wrist fracture. |
| CIN | Kevin Newman | The Cincinnati Reds released INF Kevin Newman. |
| ARI | Justin Martinez | The Arizona Diamondbacks recalled RHP Justin Martinez from the minors. |
| ARI | Zach Davies | The Arizona Diamondbacks designated RHP Zach Davies for assignment. |
2023-09-26
| LAA | Patrick Sandoval | The Los Angeles Angels placed LHP Patrick Sandoval on the 15-day injured list. |
| SF | Joey Bart | The San Francisco Giants recalled C Joey Bart from the minors. |
| SF | Jakob Junis | The San Francisco Giants placed RHP Jakob Junis on the 15-day injured list. |
| LAA | Kolton Ingram | The Los Angeles Angels recalled LHP Kolton Ingram from the minors. |
| MIA | Huascar Brazoban | The Miami Marlins activated RHP Huascar Brazoban from the 15-day injured list. |
| MIA | Tanner Scott | The Miami Marlins placed LHP Tanner Scott on the Paternity Leave list. |
| MIA | Chi Chi Gonzalez | The Miami Marlins sent RHP Chi Chi González outright to the minors. |
| MIA | Jeff Lindgren | The Miami Marlins optioned RHP Jeff Lindgren to the minors. |
| MIN | Dylan Floro | The Minnesota Twins designated RHP Dylan Floro for assignment. |
| MIL | Trevor Megill | The Milwaukee Brewers placed RHP Trevor Megill on the Paternity Leave list. |
| MIL | Colin Rea | The Milwaukee Brewers recalled RHP Colin Rea from the minors. |
| BOS | Kyle Barraclough | The Boston Red Sox sent RHP Kyle Barraclough outright to the minors. |
| PIT | Nick Gonzales | The Pittsburgh Pirates recalled INF Nick Gonzales from the minors. |
| MIN | Brock Stewart | The Minnesota Twins activated RHP Brock Stewart from the 60-day injured list. |
| PIT | Alika Williams | The Pittsburgh Pirates optioned INF Alika Williams to the minors. |
| OAK | JJ Bleday | The Oakland Athletics activated OF JJ Bleday from the 10-day injured list. |
| CWS | Luis Robert | The Chicago White Sox placed OF Luis Robert Jr. on the 10-day injured list. |
| TOR | Nate Pearson | The Toronto Blue Jays optioned RHP Nate Pearson to the minors. |
| CWS | Tyler Naquin | The Chicago White Sox recalled OF Tyler Naquin from the minors. |
| CWS | Jimmy Lambert | The Chicago White Sox placed RHP Jimmy Lambert on the 60-day injured list. |
| TOR | Brandon Belt | The Toronto Blue Jays activated DH Brandon Belt from the 10-day injured list. |
| TOR | Jay Jackson | The Toronto Blue Jays recalled RHP Jay Jackson from the minors. |
| TOR | Spencer Horwitz | The Toronto Blue Jays optioned INF Spencer Horwitz to the minors. |
| OAK | Kevin Smith | The Oakland Athletics optioned INF Kevin Smith to the minors. |
2023-09-25
| ATL | Ehire Adrianza | The Atlanta Braves designated INF Ehire Adrianza for assignment. |
| TB | Trevor Kelley | The Tampa Bay Rays sent RHP Trevor Kelley outright to the minors. |
| BAL | Meibrys Viloria | The Baltimore Orioles released C Meibrys Viloria. |
| SF | Spencer Howard | The San Francisco Giants signed RHP Spencer Howard to a minor league contract. |
| PHI | Drew Ellis | The Philadelphia Phillies sent INF Drew Ellis outright to the minors. |
| CIN | Kevin Newman | The Cincinnati Reds designated INF Kevin Newman for assignment. |
| NYY | Tommy Kahnle | The New York Yankees placed RHP Tommy Kahnle on the 15-day injured list. |
| ARI | Miguel Castro | The Arizona Diamondbacks reinstated RHP Miguel Castro from the Paternity List. |
| ARI | Slade Cecconi | The Arizona Diamondbacks optioned RHP Slade Cecconi to the minors. |
2023-09-24
| NYM | Peyton Battenfield | The New York Mets optioned RHP Peyton Battenfield to the minors. |
| NYM | Anthony Kay | The New York Mets recalled LHP Anthony Kay from the minors. |
| LAA | C.J. Cron | The Los Angeles Angels placed INF C.J. Cron on the 10-day injured list. |
| LAA | Carson Fulmer | The Los Angeles Angels selected the contract of RHP Carson Fulmer. |
| PIT | Osvaldo Bido | The Pittsburgh Pirates recalled RHP Osvaldo Bido from the minors. |
| PIT | Bailey Falter | The Pittsburgh Pirates placed LHP Bailey Falter on the 15-day injured list. |
| LAA | Mike Trout | The Los Angeles Angels placed OF Mike Trout on the 60-day injured list. |
| LAA | Mike Moustakas | The Los Angeles Angels activated INF Mike Moustakas from the 10-day injured list. |
| CLE | Triston McKenzie | The Cleveland Guardians activated RHP Triston McKenzie from the 60-day injured list. |
| CLE | Tanner Bibee | The Cleveland Guardians placed RHP Tanner Bibee on the 60-day injured list. |
| CLE | Tanner Bibee | The Cleveland Guardians placed RHP Tanner Bibee on the 60-day injured list. |
| LAA | Tyler Anderson | The Los Angeles Angels placed LHP Tyler Anderson on the 15-day injured list. |
| CLE | Michael Kelly | The Cleveland Guardians optioned RHP Michael Kelly to the minors. |
| MIN | Jovani Moran | The Minnesota Twins placed LHP Jovani Moran on the 60-day injured list. |
| MIN | Chris Paddack | The Minnesota Twins activated RHP Chris Paddack from the 60-day injured list. |
| MIN | Josh Winder | The Minnesota Twins optioned RHP Josh Winder to the minors. |
| KC | Salvador Perez | The Kansas City Royals activated C Salvador Perez from the 7-day injured list. |
| BOS | Zack Kelly | The Boston Red Sox activated RHP Zack Kelly from the 60-day injured list. |
| BOS | Kyle Barraclough | The Boston Red Sox designated RHP Kyle Barraclough for assignment. |
| CWS | Jesse Scholtens | The Chicago White Sox placed RHP Jesse Scholtens on the 15-day injured list. |
| BOS | Nick Robertson | The Boston Red Sox optioned RHP Nick Robertson to the minors. |
| ATL | Allan Winans | The Atlanta Braves recalled RHP Allan Winans from the minors. |
| ATL | Charlie Morton | The Atlanta Braves placed RHP Charlie Morton on the 15-day injured list. |
2023-09-23
| SF | Scott Alexander | The San Francisco Giants placed LHP Scott Alexander on the 15-day injured list with a left hamstring strain. |
| SF | Heliot Ramos | The San Francisco Giants recalled OF Heliot Ramos from the minors. |
| LAD | Gavin Stone | The Los Angeles Dodgers optioned RHP Gavin Stone to the minors. |
| LAD | Michael Grove | The Los Angeles Dodgers activated RHP Michael Grove from the 15-day injured list. |
| MIA | Jeff Lindgren | The Miami Marlins selected the contract of RHP Jeff Lindgren from the minors. |
| MIA | Eury Perez | The Miami Marlins placed RHP Eury Pérez on the 15-day injured list with left SI joint inflammation retroactive to Sep. 21. |
| CLE | Michael Kelly | The Cleveland Guardians recalled RHP Michael Kelly from the minors. |
| CLE | Logan Allen | The Cleveland Guardians placed LHP Logan Allen on the 15-day injured list with left shoulder inflammation. |
| CHC | Brad Boxberger | The Chicago Cubs placed RHP Brad Boxberger on the 15-day injured list. |
| TB | Chris Devenski | The Tampa Bay Rays recalled RHP Chris Devenski from the minors. |
| CHC | Keegan Thompson | The Chicago Cubs recalled RHP Keegan Thompson from the minors. |
| TB | Jason Adam | The Tampa Bay Rays placed RHP Jason Adam on the 15-day injured list. |
| BOS | Zack Weiss | The Boston Red Sox optioned RHP Zack Weiss to the minors. |
| BOS | Kenley Jansen | The Boston Red Sox activated RHP Kenley Jansen from the 7-day injured list. |
| LAA | Jhonathan Diaz | The Los Angeles Angels optioned LHP Jhonathan Diaz to the minors. |
| TB | Calvin Faucher | The Tampa Bay Rays placed RHP Calvin Faucher on the 60-day injured list. |
| TB | Raimel Tapia | The Tampa Bay Rays selected the contract of OF Raimel Tapia from the minors. |
| TB | Brandon Lowe | The Tampa Bay Rays placed INF Brandon Lowe on the 10-day injured list. |
| LAA | Jaime Barria | The Los Angeles Angels activated RHP Jaime Barría from the 15-day injured list. |
2023-09-22
| WSH | Joe LaSora | The Washington Nationals recalled LHP Joe La Sorsa from the minors. |
| WSH | Jake Irvin | The Washington Nationals placed RHP Jake Irvin on the 15-day injured list. |
| PIT | Dauri Moreta | The Pittsburgh Pirates recalled RHP Dauri Moreta from the minors. |
| OAK | Zach Neal | The Oakland Athletics recalled RHP Zach Neal from the minors. |
| PIT | Colin Holderman | The Pittsburgh Pirates placed RHP Colin Holderman on the 15-day injured list. |
| NYM | Jeff Brigham | The New York Mets optioned RHP Jeff Brigham to the minors. |
| MIN | Royce Lewis | The Minnesota Twins placed INF Royce Lewis on the 10-day injured list. |
| STL | Nolan Arenado | The St. Louis Cardinals placed INF Nolan Arenado on the 10-day injured list. |
| NYM | Peyton Battenfield | The New York Mets recalled RHP Peyton Battenfield from the minors. |
| HOU | Ryne Stanek | The Houston Astros activated RHP Ryne Stanek from the 15-day injured list. |
| HOU | Joel Kuhnel | The Houston Astros optioned RHP Joel Kuhnel to the minors. |
| STL | Michael Siani | The St. Louis Cardinals recalled OF Michael Siani from the minors. |
| MIN | Jordan Luplow | The Minnesota Twins selected the contract of DH Jordan Luplow. |
| STL | Willson Contreras | The St. Louis Cardinals placed C Willson Contreras on the 10-day injured list. |
| STL | Dylan Carlson | The St. Louis Cardinals transferred OF Dylan Carlson to the 60-day injured list. |
| ARI | Slade Cecconi | The Arizona Diamondbacks recalled RHP Slade Cecconi from the minors. |
| LAA | Davis Daniel | The Los Angeles Angels recalled RHP Davis Daniel from the minors. |
| ARI | Miguel Castro | The Arizona Diamondbacks placed RHP Miguel Castro on the Paternity Leave list. |
| PHI | Yunior Marte | The Philadelphia Phillies optioned RHP Yunior Marte to the minors. |
| CWS | Michael Kopech | The Chicago White Sox placed RHP Michael Kopech on the 15-day injured list. |
| CWS | Yohan Ramirez | The Chicago White Sox recalled RHP Yohan Ramirez from the minors. |
| BOS | Luis Urias | The Boston Red Sox placed INF Luis Urías on the 10-day injured list. |
| PHI | Drew Ellis | The Philadelphia Phillies designated INF Drew Ellis for assignment. |
| TB | Junior Caminero | The Tampa Bay Rays selected the contract of INF Junior Caminero. |
| CLE | Hunter Gaddis | The Cleveland Guardians optioned RHP Hunter Gaddis to the minors. |
| CLE | Shane Bieber | The Cleveland Guardians activated RHP Shane Bieber from the 60-day injured list. |
| BOS | Enmanuel Valdez | The Boston Red Sox recalled INF Enmanuel Valdez from the minors. |
| TB | Trevor Kelley | The Tampa Bay Rays designated RHP Trevor Kelley for assignement. |
| BAL | Mike Baumann | The Baltimore Orioles optioned RHP Mike Baumann to the minors. |
| NYY | Yoendrys Gomez | The New York Yankees recalled RHP Yoendrys Gómez from the minors. |
| BAL | Tyler Wells | The Baltimore Orioles recalled RHP Tyler Wells from the minors. |
| ATL | Darius Vines | The Atlanta Braves recalled RHP Darius Vines from the minors. |
| WSH | Sean Doolittle | LHP Sean Doolittle has retired from Major League Baseball. |
| ATL | Max Fried | The Atlanta Braves placed LHP Max Fried on the 15-day injured list. |
2023-09-21
| TB | Luke Raley | The Tampa Bay Rays placed OF Luke Raley on the 10-day injured list. |
| MIN | Jordan Luplow | The Minnesota Twins sent DH Jordan Luplow outright to the minors. |
| KC | Matt Beaty | The Kansas City Royals sent INF Matt Beaty outright to the minors. |
| ATL | Dereck Rodriguez | The Atlanta Braves sent RHP Dereck Rodríguez outright to the minors. |
| CLE | Michael Kelly | The Cleveland Guardians optioned RHP Michael Kelly to the minors. |
| CLE | Hunter Gaddis | The Cleveland Guardians recalled RHP Hunter Gaddis from the minors. |
| ATL | Lucas Luetge | The Atlanta Braves sent LHP Lucas Luetge outright to the minors. |
| CIN | Hunter Renfroe | The Cincinnati Reds released OF Hunter Renfroe. |
| SF | Marco Luciano | The San Francisco Giants recalled INF Marco Luciano from the minors. |
| SF | Paul DeJong | The San Francisco Giants released INF Paul DeJong. |
| SF | Sean Hjelle | The San Francisco Giants optioned RHP Sean Hjelle to the minors. |
| SF | Brandon Crawford | The San Francisco Giants placed INF Brandon Crawford on the 10-day injured list. |
| SF | Tristan Beck | The San Francisco Giants recalled RHP Tristan Beck from the minors. |
| TB | Jalen Beeks | The Tampa Bay Rays optioned LHP Jalen Beeks to the minors. |
| TB | Jason Adam | The Tampa Bay Rays activated RHP Jason Adam from the 15-day injured list. |
2023-09-20
| LAA | Aaron Loup | The Los Angeles Angels placed LHP Aaron Loup on the 15-day injured list. |
| MIL | J.C. Mejia | Major League Baseball suspended RHP J.C. Mejía for 162 games. |
| MIL | J.C. Mejia | Milwaukee Brewers RHP J.C. Mejía. received a 162-game suspension after testing positive for a performance-enhancing drug. |
| SF | Jack Larsen | The San Francisco Giants released OF Jack Larsen. |
| DET | Riley Greene | The Detroit Tigers transferred OF Riley Greene to the 60-day injured list. |
| DET | Brendan White | The Detroit Tigers optioned RHP Brendan White to the minors. |
| MIL | J.B. Bukauskas | The Milwaukee Brewers recalled RHP J.B. Bukauskas from the minors. |
| MIA | Matt Moore | The Miami Marlins recalled LHP Matt Moore from the minors. |
| STL | Alec Burleson | The St. Louis Cardinals placed OF Alec Burleson on the 10-day injured list. |
| STL | Ivan Herrera | The St. Louis Cardinals recalled C Iván Herrera from the minors. |
| MIL | Colin Rea | The Milwaukee Brewers optioned RHP Colin Rea to the minors. |
| MIL | Julio Teheran | The Milwaukee Brewers activated RHP Julio Teheran from the 15-day injured list. |
| TOR | Ernie Clement | The Toronto Blue Jays optioned INF Ernie Clement to the minors. |
| MIA | Chi Chi Gonzalez | The Miami Marlins designated RHP Chi Chi González for assignment. |
| SF | Keaton Winn | The San Francisco Giants placed RHP Keaton Winn on the 10-day injured list. |
| SF | Kyle Harrison | The San Francisco Giants recalled LHP Kyle Harrison from the minors. |
| SF | Sean Hjelle | The San Francisco Giants recalled RHP Sean Hjelle from the minors. |
| SF | Alex Cobb | The San Francisco Giants placed RHP Alex Cobb on the 15-day injured list. |
| BAL | Ryan McKenna | The Baltimore Orioles recalled OF Ryan McKenna from the minors. |
| BAL | Ryan Mountcastle | The Baltimore Orioles placed INF Ryan Mountcastle on the 10-day injured list. |
| OAK | Sean Newcomb | The Oakland Athletics placed LHP Sean Newcomb on the 60-day injured list. |
| CWS | Garrett Crochet | The Chicago White Sox activated LHP Garrett Crochet from the 15-day injured list. |
| CWS | Gregory Santos | The Chicago White Sox placed RHP Gregory Santos on the 15-day injured list. |
| MIN | Trevor Larnach | The Minnesota Twins recalled OF Trevor Larnach from the minors. |
| MIN | Carlos Correa | The Minnesota Twins placed INF Carlos Correa on the 10-day injured list. |
2023-09-19
| NYY | Wandy Peralta | The New York Yankees placed LHP Wandy Peralta on the 15-day injured list. |
| DET | Brendan White | The Detroit Tigers recalled RHP Brendan White from the minors. |
| COL | Ryan Feltner | The Colorado Rockies activated RHP Ryan Feltner from the 60-day injured list. |
| COL | Matt Carasiti | The Colorado Rockies optioned RHP Matt Carasiti to the minors. |
| CHC | Jared Young | The Chicago Cubs recalled INF Jared Young from the minors. |
| PIT | Thomas Hatch | The Pittsburgh Pirates optioned RHP Thomas Hatch to the minors. |
| KC | Jonathan Bowlan | The Kansas City Royals recalled RHP Jonathan Bowlan from the minors. |
| KC | Brad Keller | The Kansas City Royals placed RHP Brad Keller on the 15-day injured list. |
| CLE | Michael Kelly | The Cleveland Guardians activated RHP Michael Kelly from the 15-day injured list. |
| MIA | Tommy Nance | The Miami Marlins recalled RHP Tommy Nance from the minors. |
| MIA | Tommy Nance | The Miami Marlins placed RHP Tommy Nance on the 60-day injured list. |
| PIT | Andrew McCutchen | The Pittsburgh Pirates transferred DH Andrew McCutchen to the 60-day injured list. |
| KC | Matt Beaty | The Kansas City Royals designated INF Matt Beaty for assisgnment. |
| KC | Brady Singer | The Kansas City Royals placed RHP Brady Singer on the 15-day injured list. |
| WSH | Travis Blankenhorn | The Washington Nationals placed INF Travis Blankenhorn on the 10-day injured list. |
| MIA | Matt Moore | The Miami Marlins claimed LHP Matt Moore from the Cleveland Guardians. |
| WSH | Blake Rutherford | The Washington Nationals recalled OF Blake Rutherford from the minors. |
| ATL | Jesse Chavez | The Atlanta Braves activated RHP Jesse Chavez from the 60-day injured list. |
| ATL | Lucas Luetge | The Atlanta Braves designated LHP Lucas Luetge for assignment. |
| PHI | T.J. Zeuch | The Philadelphia Phillies released RHP T.J. Zeuch. |
2023-09-18
| TEX | Adolis Garcia | The Texas Rangers activated OF Adolis García from the 10-day injured list. |
| TEX | Sam Huff | The Texas Rangers optioned C Sam Huff to the minors. |
| TEX | Jonathan Ornelas | The Texas Rangers optioned INF Jonathan Ornelas to the minors. |
| LAA | Michael Stefanic | The Los Angeles Angels recalled INF Michael Stefanic from the minors. |
| LAA | Jo Adell | The Los Angeles Angels activated OF Jo Adell from the 60-day injured list. |
| LAA | Jordyn Adams | The Los Angeles Angels optioned OF Jordyn Adams to the minors. |
| LAA | Kyren Paris | The Los Angeles Angels placed INF Kyren Paris on the 60-day injured list with a left thumb ligament tear. |
| COL | Daniel Bard | The Colorado Rockies activated RHP Daniel Bard from the 15-day injured list. |
| MIN | Jordan Luplow | The Minnesota Twins designated DH Jordan Luplow for assignment. |
| TEX | Josh Jung | The Texas Rangers activated INF Josh Jung from the 10-day injured list. |
| MIL | Colin Rea | The Milwaukee Brewers recalled RHP Colin Rea from the minors. |
| MIN | Michael A. Taylor | The Minnesota Twins activated OF Michael A. Taylor from the 10-day injured list. |
| NYM | Luis Guillorme | The New York Mets activated INF Luis Guillorme from the 10-day injured list. |
| NYM | Jonathan Arauz | The New York Mets optioned INF Jonathan Araúz to the minors. |
| STL | Jake Woodford | The St. Louis Cardinals recalled RHP Jake Woodford from the minors. |
| STL | Giovanny Gallegos | The St. Louis Cardinals placed RHP Giovanny Gallegos on the 15-day injured list. |
| CIN | Stuart Fairchild | The Cincinnati Reds activated OF Stuart Fairchild from the 7-day injured list. |
| CIN | Hunter Renfroe | The Cincinnati Reds designated OF Hunter Renfroe for assignment. |
| CIN | Alex Young | The Cincinnati Reds activated LHP Alex Young from the 7-day injured list. |
| TB | Jalen Beeks | The Tampa Bay Rays recalled LHP Jalen Beeks from the minors. |
| TB | Taylor Walls | The Tampa Bay Rays activated INF Taylor Walls from Paternity Leave. |
| CIN | Graham Ashcraft | The Cincinnati Reds placed RHP Graham Ashcraft on the 60-day injured list. |
| CIN | Harrison Bader | The Cincinnati Reds placed OF Harrison Bader on the 10-day injured list. |
| TB | Chris Devenski | The Tampa Bay Rays optioned RHP Chris Devenski to the minors. |
| ATL | Lucas Luetge | The Atlanta Braves selected the contract of LHP Lucas Luetge. |
| ATL | Dereck Rodriguez | The Atlanta Braves designated RHP Dereck Rodríguez for assignment. |
| CIN | Chasen Shreve | The Cincinnati Reds released LHP Chasen Shreve. |
| KC | Salvador Perez | The Kansas City Royals placed C Salvador Perez on the 7-day injured list. |
| CLE | Tanner Bibee | The Cleveland Guardians placed RHP Tanner Bibee on the 15-day injured list. |
| CLE | James Karinchak | The Cleveland Guardians recalled RHP James Karinchak from the minors. |
| KC | Freddy Fermin | The Kansas City Royals placed C Freddy Fermin on the 60-day injured list. |
2023-09-17
| MIL | Elvis Peguero | The Milwaukee Brewers placed RHP Elvis Peguero on the 15-day injured list. |
| CHC | Nick Madrigal | The Chicago Cubs placed INF Nick Madrigal on the 10-day injured list. |
| ARI | Scott McGough | The Arizona Diamondbacks placed RHP Scott McGough on the 15-day injured list. |
| OAK | Sean Newcomb | The Oakland Athletics placed LHP Sean Newcomb on the 15-day injured list. |
| OAK | Freddy Tarnok | The Oakland Athletics placed RHP Freddy Tarnok on the 60-day injured list. |
| COL | Kyle Freeland | The Colorado Rockies placed LHP Kyle Freeland on the 15-day injured list. |
| COL | Noah Davis | The Colorado Rockies recalled RHP Noah Davis from the minors. |
| WSH | Cory Abbott | The Washington Nationals recalled RHP Cory Abbott from the minors. |
| MIA | Jorge Soler | The Miami Marlins activated DH Jorge Soler from the 10-day injured list. |
| STL | Tyler O'Neill | The St. Louis Cardinals placed OF Tyler O'Neill on the 10-day injured list. |
| MIA | Chi Chi Gonzalez | The Miami Marlins selected the contract of RHP Chi Chi González. |
| MIL | Blake Perkins | The Milwaukee Brewers activated OF Blake Perkins from the 10-day injured list. |
| MIA | Josh Simpson | The Miami Marlins optioned LHP Josh Simpson to the minors. |
| MIA | Dane Myers | The Miami Marlins optioned OF Dane Myers to the minors. |
| MIL | Joey Wiemer | The Milwaukee Brewers optioned OF Joey Wiemer to the minors. |
| STL | Juan Yepez | The St. Louis Cardinals recalled OF Juan Yepez from the minors. |
| ATL | Jared Shuster | The Atlanta Braves optioned LHP Jared Shuster to the minors. |
| ATL | Dereck Rodriguez | The Atlanta Braves selected the contract of RHP Dereck Rodríguez. |
| ATL | Dylan Lee | The Atlanta Braves placed LHP Dylan Lee on the 60-day injured list. |
2023-09-16
| DET | Alex Faedo | The Detroit Tigers placed RHP Alex Faedo on the 15-day injured list. |
| LAA | Gerardo Reyes | The Los Angeles Angels sent RHP Gerardo Reyes outright to the minors. |
| TEX | Jake Latz | The Texas Rangers selected the contract of LHP Jake Latz from the minors. |
| COL | Matt Carasiti | The Colorado Rockies recalled RHP Matt Carasiti from the minors. |
| COL | Karl Kauffmann | The Colorado Rockies optioned RHP Karl Kauffmann to the minors. |
| LAA | C.J. Cron | The Los Angeles Angels activated INF C.J. Cron from the 10-day injured list. |
| TEX | Ian Kennedy | The Texas Rangers placed RHP Ian Kennedy on the 60-day injured list with a right rotator cuff strain. |
| CHC | Daniel Palencia | The Chicago Cubs recalled RHP Daniel Palencia from the minors. |
| CHC | Michael Fulmer | The Chicago Cubs placed RHP Michael Fulmer on the 15-day injured list with a right forearm strain. |
| LAA | Shohei Ohtani | The Los Angeles Angels placed RHP Shohei Ohtani on the 10-day injured list. |
| TB | Greg Jones | The Tampa Bay Rays recalled INF Greg Jones from the minors and placed him on the 60-day injured list with a right hamstring strain. |
| NYY | Anthony Misiewicz | The New York Yankees placed LHP Anthony Misiewicz on the 7-day injured list. |
| NYY | Ian Hamilton | The New York Yankees activated RHP Ian Hamilton from the 15-day injured list. |
| BOS | Bobby Dalbec | The Boston Red Sox recalled INF Bobby Dalbec from the minors. |
| BOS | Triston Casas | The Boston Red Sox placed INF Triston Casas on the 10-day injured list. |
| BAL | Mike Baumann | The Baltimore Orioles recalled RHP Mike Baumann from the minors. |
| BAL | Bryan Baker | The Baltimore Orioles optioned RHP Bryan Baker to the minors. |
| COL | Peter Lambert | The Colorado Rockies placed RHP Peter Lambert on the 15-day injured list. |
| TB | Taylor Walls | The Tampa Bay Rays placed INF Taylor Walls on the Paternity Leave list. |
| COL | Karl Kauffmann | The Colorado Rockies recalled RHP Karl Kauffmann from the minors. |
| COL | Roman Quinn | The Colorado Rockies released OF Roman Quinn. |
2023-09-15
| SF | Ross Stripling | The San Francisco Giants activated RHP Ross Stripling from the 15-day injured list. |
| CHC | Marcus Stroman | The Chicago Cubs activated RHP Marcus Stroman from the 15-day injured list. |
| SF | Kyle Harrison | The San Francisco Giants optioned LHP Kyle Harrison to the minors. |
| CHC | Daniel Palencia | The Chicago Cubs optioned RHP Daniel Palencia to the minors. |
| LAA | Kyren Paris | The Los Angeles Angels recalled INF Kyren Paris from the minors. |
| LAA | Jordyn Adams | The Los Angeles Angels recalled OF Jordyn Adams from the minors. |
| LAA | Mike Moustakas | The Los Angeles Angels placed INF Mike Moustakas on the 10-day injured list. |
| LAA | Mickey Moniak | The Los Angeles Angels placed OF Mickey Moniak on the 10-day injured list. |
| SD | Ji-Man Choi | The San Diego Padres activated INF Ji Man Choi from the 10-day injured list. |
| BOS | Chris Murphy | The Boston Red Sox recalled LHP Chris Murphy from the minors. |
| BOS | Brandon Walter | The Boston Red Sox optioned LHP Brandon Walter to the minors. |
| TOR | Bowden Francis | The Toronto Blue Jays optioned RHP Bowden Francis to the minors. |
| TOR | Nate Pearson | The Toronto Blue Jays recalled RHP Nate Pearson from the minors. |
| PIT | Vinny Capra | The Pittsburgh Pirates optioned INF Vinny Capra to the minors. |
| PIT | Henry Davis | The Pittsburgh Pirates activated OF Henry Davis from the 10-day injured list. |
| SEA | Brian O'Keefe | The Seattle Mariners optioned C Brian O'Keefe to the minors. |
| SEA | Brian O'Keefe | The Seattle Mariners activated C Brian O'Keefe off Paternity Leave. |
| SF | Casey Schmitt | The San Francisco Giants optioned INF Casey Schmitt to the minors. |
| SF | Michael Conforto | The San Francisco Giants activated OF Michael Conforto from the 10-day injured list. |
| MIN | Bailey Ober | The Minnesota Twins recalled RHP Bailey Ober from the minors. |
| MIN | Brent Headrick | The Minnesota Twins optioned LHP Brent Headrick to the minors. |
